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slog.go
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/
slog.go
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package main
import (
"context"
"log/slog"
"github.com/nats-io/nats.go"
)
type natsLogWriter struct {
subject string
nc *nats.Conn
}
// Write implements io.Writer.
func (n *natsLogWriter) Write(p []byte) (int, error) {
err := n.nc.Publish(n.subject, p)
if err != nil {
return 0, err
}
return len(p), nil
}
type natsSlogHandler struct {
handler slog.Handler
level slog.Level
}
// Enabled implements slog.Handler.
func (n *natsSlogHandler) Enabled(c context.Context, l slog.Level) bool {
return n.handler.Enabled(c, l)
}
// Handle implements slog.Handler.
func (n *natsSlogHandler) Handle(c context.Context, record slog.Record) error {
if record.Level < n.level {
return nil
}
return n.handler.Handle(c, record)
}
// WithAttrs implements slog.Handler.
func (n *natsSlogHandler) WithAttrs(attrs []slog.Attr) slog.Handler {
return &natsSlogHandler{n.handler.WithAttrs(attrs), n.level}
}
// WithGroup implements slog.Handler.
func (n *natsSlogHandler) WithGroup(name string) slog.Handler {
return &natsSlogHandler{n.handler.WithGroup(name), n.level}
}